Patents by Inventor Katja Nothdurft

Katja Nothdurft has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Acrylate-olefin copolymers as high viscosity base fluids
    Patent number: 11981877
    Abstract: Acrylate-olefin copolymers and a method for the preparation of these copolymers are provided. Lubricant compositions can contain the aforementioned copolymers. The copolymers are useful as a lubricant additive or a synthetic base fluid in a lubricating oil composition, preferably in a gear oil composition, a transmission oil composition, a hydraulic oil composition, an engine oil composition, a marine oil composition, an industrial lubricating oil composition or in grease.
    Type: Grant
    Filed: May 22, 2023
    Date of Patent: May 14, 2024
    Assignee: Evonik Operations GmbH
    Inventors: Emily Clare Schweißinger, Stefan Karl Maier, Katja Nothdurft, Yvonne Groß-Onnebrink, Dieter Janßen, Holger Pletsch, Stefan Hilf, Denise Kleinschmidt, Sebastian Babik
  • ACRYLATE-OLEFIN COPOLYMERS AS HIGH VISCOSITY BASE FLUIDS
    Publication number: 20230383212
    Abstract: Acrylate-olefin copolymers and a method for the preparation of these copolymers are provided. Lubricant compositions can contain the aforementioned copolymers. The copolymers are useful as a lubricant additive or a synthetic base fluid in a lubricating oil composition, preferably in a gear oil composition, a transmission oil composition, a hydraulic oil composition, an engine oil composition, a marine oil composition, an industrial lubricating oil composition or in grease.
    Type: Application
    Filed: May 22, 2023
    Publication date: November 30, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Emily Clare SCHWEIßINGER, Stefan Karl Maier, Katja Nothdurft, Yvonne Groß-Onnebrink, Dieter Janßen, Holger Pletsch, Stefan Hilf, Denise Kleinschmidt, Sebastian Babik